一种回转刀具高速空转噪声德测试方法

Release time:2019-04-15|Hits:

Affilication of Author(s):机械工程学院

Patent Applicant:Zhanqiang Liu

Type of Patent:发明

Application Number:201010011814.7

Number of Inventors:1

Service Invention or Not:no

Application Date:2010-01-07